Scotland will be contacting World Rugby after they were controversially denied a match-winning try against France on Saturday.
Ireland continued their Six Nations title defence with a resounding 36-0 bonus-point win over Italy in Dublin where Jack Crowley claimed his first senior try.
England flyhalf George Ford says kickers will have to "stand like statues" after his failed conversion attempt in their Six Nations clash against Wales on Saturday.
England showed resilience to overcome an early deficit against Wales to grind out a 16-14 in their Six Nations clash at Twickenham.
Louis Bielle-Biarrey's late try proved pivotal as France dug out a dramatic 20-16 Guinness Six Nations victory over Scotland at Murrayfield.
France defence coach Shaun Edwards bristled at suggestions his team have become a soft touch after conceding nine tries in their last two matches.